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Fluke 743B Documenting Process Calibrator

Model: 743B

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300V DC, 110mADC. Source: 15V DC, 22mA DC.

Discontinued!

This product has been discontinued and is no longer available.
This is the direct replacement:

Fluke 753 Documenting Process Calibrator

Model: 753

Equipped with a USB interface and communication cable, this process calibrator can source, simulate, and measure pressure, temperature, and electrical signals. Users can download procedures, lists, and instructions created with software, and even upload data for printing, archiving, and analysis.

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Specifications
Included

Fluke 743B Specifications

Measurement Accuracy

Voltage DC

110.000 mV	0.025%+0.015% *
1.10000 V	0.025%+0.005% *
11.0000 V	0.025%+0.005% *
110.000 V	0.05%+0.005% *
300.00 V	0.05%+0.005% *

Voltage AC

20 to 40 Hz	2% + 10
40 to 500 Hz	0.5% + 5
500 to 1 kHz	2% + 10
1 kHz to 5 kHz	10% + 20
Ranges	1.1000, 11.000, 110.00, 300V

Current DC

30.000 mA	0.01% + 0.015% *
110.00 mA	0.01% + 0.015% *

Resistance

11.000 Ω	0.05% + 50 mΩ
110.00 Ω	0.05% + 50 mΩ
1.1000 kΩ	0.05% + 500 mΩ
11.000 kΩ	0.1% + 10 Ω

Frequency

1.00 to 109.99 Hz	0.05 Hz
110.0 to 1099.9 Hz	0.5 Hz
1.100 to 10.999 kHz	5 Hz
11.00 to 50.00 kHz	50 Hz

Pressure

Accuracy	from 0.025% of range using any of 29 pressure modules.
	(for detailed specifications refer to pressure modules in options and accessories)
	Modules available for differential, gauge, vacuum, absolute, dual and high pressure.

Note

*	(% of reading + % of full scale)

Source Accuracy

Voltage DC

110.000 mV	0.01%+0.005% *
1.10000 V	0.01%+0.005% *
15.0000 V	0.01%+0.005% *

Current DC

22.000 mA (Source)	0.01%+ 0.015% *
22.000 mA (Simulate)	0.02% + 0.03% *

Resistance

11.000 Ω	0.01% + 20 mΩ
110.00 Ω	0.01% + 40 mΩ
1.1000 kΩ	0.02% + 500 mΩ
11.000 kΩ	0.03% + 5Ω

Frequency

0.00 to 10.99 Hz	0.01 Hz
11.00 to 109.99 Hz	0.1 Hz
110.0 to 1099.9 Hz	0.1 Hz
1100 to 21999 Hz	2 Hz
22.000 to 50.000 kHz	5 Hz

Note

*	(% of reading + % of full scale)

RTDs and Thermocouples

Measure Accuracy

10 Ω Cu (427):	2 °C
100 Ω Pt (3916)	0.3 °C
100 Ω Pt (3926)	0.3 °C
100 Ω Pt (385)	0.3 °C
200 Ω Pt (385)	0.3 °C
500 Ω Pt (385)	0.3 °C
1000 Ω Pt (385)	0.3 °C
120 Ω Ni (672)	0.3 °C
note	For 2-and 3-wire measurement, add 0.4 °C
E	0.3 °C
N	0.5 °C
J	0.3 °C
L	0.3 °C
K	0.3 °C
T	0.3 °C
U	0.3 °C
B	0.9 °C
R	1.0 °C
S	0.9 °C
C	0.6 °C
note	Accuracy with external cold junction, for internal junction add 0.2 °C

Source Accuracy:

10 Ω Cu (427)	1 °C
100 Ω Pt (3916)	0.1°C
100 Ω Pt (3926)	0.1°C
100 Ω Pt (385)	0.1°C
200 Ω Pt (385)	0.1°C
500 Ω Pt (385)	0.1°C
1000 Ω Pt (385)	0.1°C
120 Ω Ni (672)	0.1°C
note	For 2-and 3-wire simulation, add 0.4 °C
E	0.2 °C
N	0.3 °C
J	0.2 °C
L	0.2 °C
K	0.3 °C
T	0.3 °C
U	0.3 °C
B	0.8 °C
R	0.9 °C
S	0.9 °C
C	0.6 °C
note	Accuracy with external cold junction, for internal junction add 0.2 °C

Specifications

Data Log Functions

Measure functions	Voltage, current, resistance, frequency, temperature, pressure
Reading rate	1, 2, 5, 10, 20, 30, or 60 readings/minute
Maximum record length	8000 readings (7980 for 30 or 60 readings/minute)

Ramp Functions

Source functions	Voltage, current, resistance, frequency, temperature
Rate	4 steps/second
Trip detect	Continuity or voltage (continuity detection not available when sourcing current)

Loop Power Function

Voltage	Selectable, 24 V or 28 V
Accuracy	5%
Maximum current	22 mA, short circuit protected
Maximum input voltage	30 V DC

Step Functions

Source Functions	Voltage, current, resistance, frequency, temperature
Manual Step	Selectable step, change with arrow buttons
Autostep	Fully programmable for function, start delay, stepvalue, time per step, repeat

Environmental Specifications

Operating temperature

	-10°C to +50°C
	-20°C to +50°C *

Storage temperature

-20°C to +60°C

Dust/water resistance

Meets IP52, IEC 529

Operating Altitude

2800 m

Note

*	Except frequency and AC

Safety Specifications

Agency Approvals

CAN/CSA C22.2 No 1010.1-92, ASNI/ISA S82.01-1994, UL3111, and EN610-1:1993

Mechanical & General Specifications

Size

130 x 236 x 61 mm

Weight

1.4 kg

Batteries

NiCd	7.2V, 1.7 Ah

Battery life

~8 hours typical

Battery Replacement

Via snap-shut door without opening calibrator; no tools required

Side port connections

	Pressure module connector
	RS-232 connector for PC interface cable
	Connection for optional battery eliminator

Data storage capacity

1 week of calibration results

90 day specifications

	The standard specification intervals for the 743B is 1 and 2 years.
	Typical 90 day measurement and source accuracy can be estimated by
	dividing the one year "% of reading" or "%of output" specifications by 2.
	Floor specifications, expressed as "% of full scale" or
	"counts" or "ohms" remain constant.

What's included with the Fluke 743B

Fluke 743B Documenting Process Calibrator

Accessories

Click on a category to view a selection of compatible accessories with the Fluke 743B Documenting Process Calibrator.

Carrying Cases

Fluke TB25 Tool Bucket Organizer Bag, 5.2 gal TB25

Durable and rugged, this tool bucket organizer bag has a 5.2-gallon capacity that can be relied on to protect and safely carry a variety of test tools and accessories. With its waterproof hard bottom shell, this versatile organizer has a total of 28 pockets that can fit hand tools, DMMs, clamp meters, test probes, and more.